!function(window,document,$,undefined) {
	$(document).ready(function() {
		var $node = $('#nodes');
		var height = window.innerHeight;
		$node.on('focus',function() {
			var bheight = $('body').height();
			console.log(bheight)
			
		});
		$node.on('input',function() {
			var len =30 - this.value.length;
			len = len>=0?len:0;
			$('#count').html(len);

		})
	})
	
	
}(window,document,Zepto)

